PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C403Bracket,pump Suppor

WS Darley & Co Div Ohler Pump · NSN 4320-00-340-1457 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-340-1457 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-340-1457. Primary manufacturer part number: C403.
Features
  • Bracket,pump Suppor — FSC 4320
  • 1 verified cross-reference
  • Primary manufacturer: WS Darley & Co Div Ohler Pump
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Bracket,pump Suppor, cataloged under National Stock Number 4320-00-340-1457, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is WS Darley & Co Div Ohler Pump. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameBracket,pump Suppor
FSC / FSG4320 — No Item Name Available (FSG 43)
ManufacturersWS Darley & Co Div Ohler Pump (CAGE 00299)
Technical Specifications
ParameterValue
NSN4320-00-340-1457
Primary Part NumberC403
Item NameBracket,pump Suppor
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerWS Darley & Co Div Ohler Pump
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
4720-00-065-868220474584 INTERCHANGEABLE
Hose,nonmetallic
Contitech Usa, Inc Dba Veyance Technologies
8135-00-088-1528C403 INTERCHANGEABLE
Strapping
Band-It-Idex Inc Unit of Idex Corp
5310-00-494-74518103SS0440-7 INTERCHANGEABLE
Nut,plain,hexagon
Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware
9640-01-032-57896000008 INTERCHANGEABLE
Tube Round,iron
Parker-Hannifin Corporation Dba Pneutronics Div Composite Sealing Systems Division
Cross-Reference Index
Part NumberManufacturer
C403 PRIMARY WS Darley & Co Div Ohler Pump (USA)
Related Parts
4720-00-065-8682INTERCHANGEABLE
HOSE,NONMETALLIC
20474584
8135-00-088-1528INTERCHANGEABLE
STRAPPING
C403
5310-00-494-7451INTERCHANGEABLE
NUT,PLAIN,HEXAGON
8103SS0440-7
9640-01-032-5789INTERCHANGEABLE
TUBE ROUND,IRON
6000008

Frequently Asked Questions

What is NSN 4320-00-340-1457?

NSN 4320-00-340-1457 is a Bracket,pump Suppor, manufactured by WS Darley & Co Div Ohler Pump, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-340-1457?

NSN 4320-00-340-1457 has 1 cross-referenced part number: C403 (WS Darley & Co Div Ohler Pump).

What NSN replaces 4320-00-340-1457?

There are 4 known substitutes for 4320-00-340-1457: 4720-00-065-8682, 8135-00-088-1528, 5310-00-494-7451 and 1 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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